Machesney Park, Illinois, United States [Village]; population was 19,033 in 1990; housing units was 6,723 in 1990; location is 42°22'N 89°2'W; land area is 8.84 square miles (5,656 acres); water area is 0.32 square miles (202 acres); FIPS code is 45726 [SourceCBP]